<footer>
  <input type="number" value="1234">
  <button>Generate</button>
</footer>
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  height: 100vh;
  display: grid;
  place-items: center;
  font-family: system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  color: #1d1934;
}

svg {
  width: 75vmin;
  height: 75vmin;
}

footer {
  position: absolute;

  bottom: 0;
  right: 0;
  padding: 1rem;
  display: flex;
  justify-content: flex-end;
  align-items: center;
}

button {
  height: 2rem;
  background: #7257fa;
  color: #fff;
  border: 0;
  width: 6rem;
  cursor: pointer;
  border-top-right-radius: 0.375rem;
  border-bottom-right-radius: 0.375rem;
}

input {
  width: 6rem;
  height: 2rem;
  border-right: 0;
  padding-left: 0.5rem;
  border: 1px solid #e6e5eb;
  border-top-left-radius: 0.375rem;
  border-bottom-left-radius: 0.375rem;
  color: inherit;
}
import { SVG } from "https://cdn.skypack.dev/@svgdotjs/svg.js";
import gsap from "https://cdn.skypack.dev/gsap@3.7.0";

const width = 200;
const height = 200;

const svg = SVG().viewbox(0, 0, width, height).addTo("body");

const cols = 10;
const rows = 10;

const colSize = width / cols;
const rowSize = height / rows;

let seed = 1234;

function mulberry32(a) {
  return function () {
    a |= 0;
    a = (a + 0x6d2b79f5) | 0;
    var t = Math.imul(a ^ (a >>> 15), 1 | a);
    t = (t + Math.imul(t ^ (t >>> 7), 61 | t)) ^ t;
    return ((t ^ (t >>> 14)) >>> 0) / 4294967296;
  };
}

function generate() {
  const random = mulberry32(seed);

  for (let x = 0; x < width; x += colSize) {
    for (let y = 0; y < height; y += rowSize) {
      const number = ~~(random() * 10);

      svg
        .text(number)
        .cx(x + colSize / 2)
        .cy(y + rowSize / 2);
    }
  }
}

document.querySelector("input").addEventListener("change", (e) => {
  seed = Number(e.target.value);
});

document.querySelector("button").addEventListener("click", () => {
  svg.clear();
  generate();
});

External CSS

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External JavaScript

This Pen doesn't use any external JavaScript resources.